Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via San Diego: arrives on time 59%
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06:20 ORD → 08:54 SANAS 1470 · Alaska · 4h 34m · 75% on time, 1.1% cancelled
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2h 10m layover in San Diego (SAN) · 45 min minimum on one ticket
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11:04 SAN → 12:51 SFOAS 3347 · Alaska, flown by SkyWest · 1h 47m · 64% on time, 1.8% cancelled
Total trip 8h 31m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 52 of the last 56 days.
Makes the connection95%The first flight arrived more than 85 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 10m layover.
Arrives on time59%First flight not cancelled (1.1% are) × connection made (95%) × second flight not cancelled (1.8% are) and within 15 minutes (64%).
Total trip8h 31mORD 06:20 to SFO 12:51, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.